Mechanisms of opsin activation (Q28284458)

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J C Saari

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R K Crouch

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K Palczewski

Journal of Biological Chemistry

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language of work or name

English

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publication date

23 August 1996

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published in

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volume

271

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issue

34

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page(s)

20621-30

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cites work

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The structure of bovine rhodopsin

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Photointermediates of visual pigments

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Functional equivalence of metarhodopsin II and the Gt-activating form of photolyzed bovine rhodopsin

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Deprotonation of the Schiff base of rhodopsin is obligate in the activation of the G protein.

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Glutamic acid-113 serves as the retinylidene Schiff base counterion in bovine rhodopsin

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Effect of carboxylic acid side chains on the absorption maximum of visual pigments

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Constitutively active mutants of rhodopsin

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Mechanism of activation and inactivation of opsin: role of Glu113 and Lys296

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Synthetic pigment analogues of the purple membrane protein

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Structural and enzymatic aspects of rhodopsin phosphorylation

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Fourier transform infrared studies of active-site-methylated rhodopsin. Implications for chromophore-protein interaction, transducin activation, and the reaction pathway.

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13-desmethyl rhodopsin and 13-desmethyl isorhodopsin: visual pigment analogues

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Two different forms of metarhodopsin II: Schiff base deprotonation precedes proton uptake and signaling state

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Constitutive activation of opsin: influence of charge at position 134 and size at position 296.

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pKa of the protonated Schiff base of bovine rhodopsin. A study with artificial pigments

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The role of the retinylidene Schiff base counterion in rhodopsin in determining wavelength absorbance and Schiff base pKa

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Relief of opsin desensitization and prolonged excitation of rod photoreceptors by 9-desmethylretinal

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Fourier transform infrared spectroscopy indicates a major conformational rearrangement in the activation of rhodopsin.

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Interactions of the beta-ionone ring with the protein in the visual pigment rhodopsin control the activation mechanism. An FTIR and fluorescence study on artificial vertebrate rhodopsins.

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Protonation states of membrane-embedded carboxylic acid groups in rhodopsin and metarhodopsin II: a Fourier-transform infrared spectroscopy study of site-directed mutants.

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Photoactivated state of rhodopsin and how it can form.

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Effects of detergents and high pressures upon the metarhodopsin I.dbr.metarhodopsin II equilibrium

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Resonance Raman microprobe spectroscopy of rhodopsin mutants: effect of substitutions in the third transmembrane helix.

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Strange bedfellows: interactions between acidic side-chains in proteins.

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Constitutive activation of opsin: interaction of mutants with rhodopsin kinase and arrestin

21 January 2018

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Opsins with mutations at the site of chromophore attachment constitutively activate transducin but are not phosphorylated by rhodopsin kinase

21 January 2018

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Physiological activity of retinoids in natural and artificial visual pigments

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Cellular mechanisms that underlie bleaching and background adaptation

21 January 2018

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Retinoid requirements for recovery of sensitivity after visual-pigment bleaching in isolated photoreceptors

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Visual pigment bleaching in isolated salamander retinal cones. Microspectrophotometry and light adaptation

21 January 2018

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Bleached pigment activates transduction in salamander cones

21 January 2018

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Sensitization of bleached rod photoreceptors by 11-cis-locked analogues of retinal

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Properties of N-terminal tails in G-protein coupled receptors: a statistical study

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Site of Attachment of Retinal in Rhodopsin

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